5603993 has 4 divisors (see below), whose sum is σ = 5898960. Its totient is φ = 5309028.

The previous prime is 5603971. The next prime is 5604007. The reversal of 5603993 is 3993065.

5603993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3993065 = 5 ⋅798613.

It is a cyclic number.

It is not a de Polignac number, because 5603993 - 2⁶ = 5603929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5603903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147455 + ... + 147492.

It is an arithmetic number, because the mean of its divisors is an integer number (1474740).

Almost surely, 2^5603993 is an apocalyptic number.

It is an amenable number.

5603993 is a deficient number, since it is larger than the sum of its proper divisors (294967).

5603993 is a wasteful number, since it uses less digits than its factorization.

5603993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294966.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 5603993 is about 2367.2754381356. The cubic root of 5603993 is about 177.6229974717.

The spelling of 5603993 in words is "five million, six hundred three thousand, nine hundred ninety-three".